OVERARM THROW PATTERN

OVERARM THROW PATTERN 1. Step forward 2. Pelvis/trunk forward 3. Pelvis rotates 4. Trunk rotates 5. Shld. protraction 6. Shld. Trans. Adduct 7. Shld. Medial rotate 8. Elbow extension 9. Forearm pronation 10. Wrist/Hand flexion

Step Forwardwithcontra-lateral leg

Pelvis and Hip Rotationtoward target

Trunk Rotationtoward target

Transfer L to arm by reducing/stopping L in shoulders

Shoulder Protraction and Transverse Adduction

Shoulder Medial Rotation

Elbow ExtensionandForearm Pronation

Motion Analysis 1. Segments involved 2. Movements involved 3. Sequence of movements 4. Muscles causing movements

General Principles • Smaller/lighter projectiles allow a greater number of segments to contribute to the performance • Smaller/lighter projectiles allow for a larger k • Smaller/lighter projectiles allow the smaller segments to give greatest contribution [e.g. Shld. medial rotation + Forearm pronation] • Larger/heavier projectiles get greatest contribution from larger segments

Performance Errors: Kinetic Link 1. Segmental Positioning 2. Sequence of Movements/Timing 3. Lack of Power/Strength

OVERARM THROW PATTERN

OVERARM THROW PATTERN

Presentation Transcript

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